if (document.images) {
  image1on = new Image();
  image1on.src = "graphics/navhomer.gif";

  image1off = new Image();
  image1off.src = "graphics/navhome.gif";
  
  image2on = new Image();
  image2on.src = "graphics/navaboutr.gif";

  image2off = new Image();
  image2off.src = "graphics/navabout.gif";
  
  image3on = new Image();
  image3on.src = "graphics/navgalleryr.gif";

  image3off = new Image();
  image3off.src = "graphics/navgallery.gif";
  
  image4on = new Image();
  image4on.src = "graphics/navdirectionsr.gif";

  image4off = new Image();
  image4off.src = "graphics/navdirections.gif";
  
  image5on = new Image();
  image5on.src = "graphics/navcontactr.gif";

  image5off = new Image();
  image5off.src = "graphics/navcontact.gif";

  image6on = new Image();
  image6on.src = "graphics/navpreviousr.gif";

  image6off = new Image();
  image6off.src = "graphics/navprevious.gif";
  
  image7on = new Image();
  image7on.src = "graphics/navnextr.gif";

  image7off = new Image();
  image7off.src = "graphics/navnext.gif";
  
  image8on = new Image();
  image8on.src = "graphics/navcloser.gif";

  image8off = new Image();
  image8off.src = "graphics/navclose.gif";
  
  image9on = new Image();
  image9on.src = "graphics/fppoker.gif";

  image9off = new Image();
  image9off.src = "graphics/fppoke.gif";
  
  image10on = new Image();
  image10on.src = "graphics/fptshirt2006r.gif";

  image10off = new Image();
  image10off.src = "graphics/fptshirt2006.gif";
  
  image11on = new Image();
  image11on.src = "graphics/fpthtshirt2005r.jpg";

  image11off = new Image();
  image11off.src = "graphics/fpthtshirt2005.jpg";
  
  image12on = new Image();
  image12on.src = "graphics/fpthluaur.jpg";

  image12off = new Image();
  image12off.src = "graphics/fpthluau.jpg";

}

function turnOn(imageName) 
{
	if (document.images) {
  	document[imageName].src = eval(imageName + "on.src");
  }
}

function turnOff(imageName) 
{
	if (document.images) {
    document[imageName].src = eval(imageName + "off.src");
  }
}